⛏ George the Geologist – Granodiorite

⛏️ George the Geologist
This rock was magma before it was cool!
New Englander’s, have you driven past Thunderbolts rock, and other granite boulders, wondering where they might have come from?
Follow on with George as he explores this granodiorite that is around 250 million years old, and the chemical composition of magma that gives the granite amazing colours!

Click on the link below for George’s geological field notes to discover more about this rock type.

George's Field Notes - Plutonic Igneous Rocks
Discovery Resources Page